<?php
/**
 * Zend Framework
 * LICENSE
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 * @category Zend
 * @package Zend_Filter
 * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license http://framework.zend.com/license/new-bsd New BSD License
 * @version $Id: CompressAbstract.php 24593 2012-01-05 20:35:02Z matthew $
 */
/**
 *
 * @see Zend_Filter_Compress_CompressInterface
 */
require_once 'Zend/Filter/Compress/CompressInterface.php';

/**
 * Abstract compression adapter
 * @category Zend
 * @package Zend_Filter
 * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license http://framework.zend.com/license/new-bsd New BSD License
 */
abstract class Zend_Filter_Compress_CompressAbstract implements Zend_Filter_Compress_CompressInterface {

    /**
     * Class constructor
     * @param array|Zend_Config $options (Optional) Options to set
     */
    public function __construct ($options = null) {
        if ($options instanceof Zend_Config) {
            $options = $options -> toArray ();
        }
        if (is_array ($options)) {
            $this -> setOptions ($options);
        }
    }

    /**
     * Returns one or all set options
     * @param string $option (Optional) Option to return
     * @return mixed
     */
    public function getOptions ($option = null) {
        if ($option === null) {
            return $this -> _options;
        }
        if ( ! array_key_exists ($option, $this -> _options)) {
            return null;
        }
        return $this -> _options[$option];
    }

    /**
     * Sets all or one option
     * @param array $options
     * @return Zend_Filter_Compress_Bz2
     */
    public function setOptions (array $options) {
        foreach ($options as $key => $option) {
            $method = 'set' . $key;
            if (method_exists ($this, $method)) {
                $this -> $method ($option);
            }
        }
        return $this;
    }

}
